نتایج جستجو برای: beta tubulin gene
تعداد نتایج: 1290746 فیلتر نتایج به سال:
Structural changes occur in the alphabeta-tubulin heterodimer during the microtubule assembly/disassembly cycle. Their most prominent feature is a transition from a straight, microtubular structure to a curved structure. There is a broad range of small molecule compounds that disturbs the microtubule cycle, a class of which targets the colchicine-binding site and prevents microtubule assembly. ...
A specific binding assay was developed that monitors the interaction of 125I-labeled microtubule-associated proteins (MAPs) with tubulin or its fragments bound to nitrocellulose membrane. To identify the tubulin-binding domains for MAPs we have examined the binding of rat brain 125I-labeled MAP2 or 125I-labeled tau factors to 60 peptides derived from porcine alpha- and beta-tubulin. MAP2 and ta...
Mesenchymal stem cells (MSCs) have the ability to differentiate into neuronal like cells under appropriate culture condition. In this study, we investigated whether MSCs derived from human peripheral blood (PB-MSCs) can differentiate into neuronal like cells by synergic effect of the growth factors EGF, bFGF and Noggin. For this purpose, the expression of five neuronal markers (Nestin, &beta II...
There is currently substantial interest in the identification of human tumor antigens for diagnosis and immunotherapy of cancer. We have implemented a proteomic approach for the identification of tumor proteins that elicit a humoral response in cancer patients, which we have applied to neuroblastoma. Proteins from neuroblastoma tumors and cell lines were separated by two-dimensional PAGE and tr...
BACKGROUND & OBJECTIVE Expression of class III beta-tubulin represents newly discovered marker of resistance to taxol-based chemotherapy in a wide spectra of carcinomas. However, very little is known about its expression in colorectal carcinomas. This study was done to determine class III beta-tubulin expression in a large series of colonic carcinomas, covering tumours with different degree of ...
PURPOSE The relationship of intratumoral mRNA levels of class I and III beta-tubulin isotypes with clinical response to docetaxel has been studied in breast cancer patients. EXPERIMENTAL DESIGN Expression of class I and class III beta-tubulin mRNA levels was determined by a real-time PCR in breast cancer tissues obtained from 39 patients with locally advanced breast cancers (n = 26) or locall...
Aim: Abnormal expression patterns of beta-tubulin isotypes may provide a molecular rationale for the behaviour of lymphoma subtypes. In the present study class II and III beta-tubulin expression was assessed in non-neoplastic and neoplastic lymphoid tissues with reference to potential utility as new tumour biomarkers. Methods and results: In this cross-sectional study class II and III beta-tubu...
Native tubulin alpha beta dimers and microtubules have been subjected to limited proteolysis with trypsin, chymotrypsin, elastase, clostripain, proteinase lysine-C, thermolysin, protease V8, papain, subtilisin, proteinase K, proteinase aspartic-N, and bromelain. Eighty nicking points have been mapped onto the alpha- and beta-tubulin sequences with the aid of site-directed antibodies, of which 1...
The testis-specific beta 2 tubulin of Drosophila is required for assembly and function of at least three architecturally different microtubule arrays (Kemphues et al., 1982). Two recessive male-sterile mutations in the B2t locus that encode partially functional, stable, variant forms of beta 2 tubulin cause defects in only certain microtubule-based processes during spermatogenesis. These mutati...
Tub 2.1, a monoclonal antibody commonly used to measure cellular tubulin content, is widely believed to recognize all beta-tubulin isotypes. Though it has been used for more than two decades, the epitope for this antibody is not well established. We report for the first time that contrary to common belief, this antibody does not react with all isotypes of beta-tubulin. Of the seven vertebrate b...
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